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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2006

  • question_answer
    \[_{90}{{X}^{200}}\,\xrightarrow[{}]{{}}{{\,}_{80}}{{Y}^{168}}.\]In this reaction how many \[\alpha \] and \[\beta \]-particles are emitted?

    A)  6, 8              

    B)  8, 6

    C)  12, 8            

    D)  8, 12

    Correct Answer: B

    Solution :

     Number of a-particles\[=\frac{200-168}{4}=8\] Number of p-particles\[=2\times \] No. of\[\alpha -\] particles difference between atomic numbers \[=2\times 8-(90-80)=6\]


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